Validation printer



FIG. is a general left front perspective view of a validation printer, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side view, in elevation, taken from the right side of FIG. 1;

FIG. 5 is a side view, in elevation, taken from the left side of FIG. 1; and,

FIG. 6 is a top plan of FIG. 1. 

The ornamental design for a validation printer, as shown and described. 